Plow guard



FIG. 1 is a rear perspective view of a plow guard;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right elevation view thereof;

FIG. 5 is a left elevation view thereof;

FIG. 6 is a top elevation view thereof;

FIG. 7 is a bottom elevation view thereof; and,

FIG. 8 is a front elevation view thereof. 

CLAIM The ornamental design for a plow guard, as shown and described. 